Joint support



FIG. 1 is a perspective view of a joint support showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a perspective view of a second embodiment of my new design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is a top plan view thereof.

My joint support is characterized by a tapered tubular shape with a spiral seam. 

CLAIM The ornamental design for a joint support, as shown and described. 